Babl is a dynamic, any to any, pixel format conversion library. It
provides conversions between the myriad of buffer types images can be
stored in. Babl doesn't only help with existing pixel formats, but also
facilitates creation of new and uncommon ones.
Features:
 * Tiny API in normal use
 * Planar and linear buffers
 * Thread safe processing
 * Extendable formats, color models, components and datatypes
 * Reference 64bit floating point conversions for data types and color
   models
